Additional Outgoing Mail Servers can be configured for Mail accounts in Settings > Mail > Accounts.” Whether it’s inbound or outbound, here’s how you can try to pinpoint and fix a problem.

If you use cloud-based email service from Microsoft, the URL will have been provided to you from Microsoft, such as "mail.office365.com" or "outlook.com." ...

Microsoft Exchange is a Microsoft email service often used by businesses and academic institutions. Exchange synchronizes email between an Exchange server and your client email app, such as Outlook.

For email specifically, I would imagine it really depends on what email service you are using. I know Exchange/SkypeFB breaks down into a lot of discrete components, but I'm no expert on that.

The email server, which is about the size and shape of a large hardcover book, opened to a page in the middle and placed face-down, costs $499. The product has 128GB of built-in storage, and it ...

As a recent Slashdot reader found out, many ISPs won't let you run your own mail server. Specifically they block port 25, the Simple Mail Transfer Protocol (SMTP) port, which is used for sending mail.